EXHIBIT 8.1

SUBSIDIARIES* OF THE REGISTRANT

Techfaith Wireless Communication Technology (Beijing) Limited, a PRC company

One Net Entertainment Limited, a PRC company

Techfaith Wireless Communication Technology (Shanghai) Limited, a PRC company

STEP Technologies (Beijing) Co., Ltd., a PRC company

Techfaith Intelligent Handset Technology (Beijing) Limited, a PRC company

Techfaith Software (China) Limited, a PRC company

Techfaith Wireless Communication Technology (Hangzhou) Limited, a PRC company

Techfaith Wireless Communication Technology (Shenyang) Limited, a PRC company

Techfaith Wireless Communication Technology (Shenzhen) Limited, a PRC company

Techfaith Intelligent Handset Technology (Hong Kong) Limited, registered in Hong Kong

Techfaith Wireless Technology Group Limited, a BVI company

798 Entertainment Limited, a BVI company

QIGI&BODEE Technology Limited, a Hong Kong company

QIGI&BODEE International Technology (Beijing) Co. Ltd.

QIGI&BODEE Technology (Beijing) Co., Ltd.

Glomate Mobile (Beijing) Co., Ltd.

* Insignificant subsidiaries are omitted.